SubGit - Pull Requests rescoping fails with SQL constraint on user_id failure

2013-03-24 10:24:22,478 ERROR [AtlassianEvent::pool-3-thread-7] aefimov 534x816x1 1l920w9 127.0.0.1 "POST /plugins/servlet/subgit/projects/PROJECT/repos/repo/settings HTTP/1.0" c.a.e.i.AsynchronousAbleEventDispatcher There was an exception thrown trying to dispatch event 'com.atlassian.stash.event.RepositoryPushEvent[source=org.tmatesoft.subgit.stash.web.admin.SgJobManager@66990310]' from the invoker 'SingleParameterMethodListenerInvoker{method=public void com.atlassian.stash.internal.pull.PullRequestRescopeListener.onRepositoryPush(com.atlassian.stash.event.RepositoryPushEvent), listener=com.atlassian.stash.internal.pull.PullRequestRescopeListener@45ecab0}'.
java.lang.RuntimeException: Column 'user_id' cannot be null; SQL [n/a]; constraint [null]; nested exception is org.hibernate.exception.ConstraintViolationException: Column 'user_id' cannot be null
        at com.atlassian.event.internal.SingleParameterMethodListenerInvoker.invoke(SingleParameterMethodListenerInvoker.java:54) ~[atlassian-event-2.3.0.jar:na]
        at com.atlassian.event.internal.AsynchronousAbleEventDispatcher$2.run(AsynchronousAbleEventDispatcher.java:66) ~[atlassian-event-2.3.0.jar:na]
        at com.atlassian.sal.core.executor.ThreadLocalDelegateRunnable.run(ThreadLocalDelegateRunnable.java:34) [sal-core-2.8.0.jar:na]
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [na:1.6.0_30]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [na:1.6.0_30]
        at java.lang.Thread.run(Thread.java:662) [na:1.6.0_30]
Caused by: org.springframework.dao.DataIntegrityViolationException: Column 'user_id' cannot be null; SQL [n/a]; constraint [null]; nested exception is org.hibernate.exception.ConstraintViolationException: Column 'user_id' cannot be null
        at org.springframework.orm.hibernate4.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:138) ~[spring-orm-3.2.1.RELEASE.jar:3.2.1.RELEASE]
        at org.springframework.orm.hibernate4.HibernateTransactionManager.convertHibernateAccessException(HibernateTransactionManager.java:594) ~[spring-orm-3.2.1.RELEASE.jar:3.2.1.RELEASE]
        at org.springframework.orm.hibernate4.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:476) ~[spring-orm-3.2.1.RELEASE.jar:3.2.1.RELEASE]
        at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:755) ~[spring-tx-3.2.1.RELEASE.jar:3.2.1.RELEASE]
        at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:724) ~[spring-tx-3.2.1.RELEASE.jar:3.2.1.RELEASE]
        at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:148) ~[spring-tx-3.2.1.RELEASE.jar:3.2.1.RELEASE]
        at com.atlassian.stash.internal.pull.PullRequestRescopeListener.createRescopeRequestFor(PullRequestRescopeListener.java:255) ~[stash-service-impl-2.2.0.jar:na]
        at com.atlassian.stash.internal.pull.PullRequestRescopeListener.onRepositoryPush(PullRequestRescopeListener.java:162) ~[stash-service-impl-2.2.0.jar:na]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.6.0_30]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) ~[na:1.6.0_30]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) ~[na:1.6.0_30]
        at java.lang.reflect.Method.invoke(Method.java:597) ~[na:1.6.0_30]
        at com.atlassian.event.internal.SingleParameterMethodListenerInvoker.invoke(SingleParameterMethodListenerInvoker.java:36) ~[atlassian-event-2.3.0.jar:na]
        ... 5 common frames omitted
Caused by: org.hibernate.exception.ConstraintViolationException: Column 'user_id' cannot be null
        at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:128) ~[hibernate-core-4.1.9.Final.jar:4.1.9.Final]
        at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49) ~[hibernate-core-4.1.9.Final.jar:4.1.9.Final]
        at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125) ~[hibernate-core-4.1.9.Final.jar:4.1.9.Final]
        at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110) ~[hibernate-core-4.1.9.Final.jar:4.1.9.Final]
        at org.hibernate.engine.jdbc.internal.proxy.AbstractStatementProxyHandler.continueInvocation(AbstractStatementProxyHandler.java:129) ~[hibernate-core-4.1.9.Final.jar:4.1.9.Final]